Compare to HydroFarm by GH
1 x 5 gallon bucket
1 x 4 gallon pot
1 x 3 gallon pot
1 x 18" rubber tubing (6" OD)
1 x 3" rubber tubing clear (6" OD)
1 x 12v 5000RPM peristaltic pump
1 x Pump holder
1 x Drip ring
3 Gallons clay pebbles
They go together exactly like you think they would, and cost about $25 in parts. Reservoir recirculation system to follow as separate thing.
Added long peristaltic pump spike. Don't hang the pump off the side of the bucket. When it fails, and it will fail, it will make a mess. Use the spike and suspend the pump above the clay pellets, where it can do no damage.
Do not use peristaltic pumps unless your waterings are very infrequent. They are not designed for prolonged use. Use this instead: